Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://huntic.ru/uplcv?utm_term=displacement+sensors+pdf PDF link annotation

  • https://zlatartopalovic.rs//files/dabasezi.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160716cfc02fc7---dotefozolikonolimus.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160858bf26667b---34088192033.pdfIn PDF document text
  • https://heyratacademy.ir/file/binukegawela.pdfIn PDF document text
  • http://extracam.es/app/webroot/arxius/file/65135959759.pdfIn PDF document text
  • http://zhongjiukeji.com/upload_fck/file/2021-9-4/20210904130919373420.pdfIn PDF document text
  • http://premsaktidal.in/userfiles/file/59154263384.pdfIn PDF document text
  • http://interwork.sk/userfiles/file/36305534225.pdfIn PDF document text
  • http://baliretreatcenter.com/olabali_ci/media/images/newsfiles/56594669222.pdfIn PDF document text
  • https://myphi.biz/nbloom/fckuploads/file/63923445226.pdfIn PDF document text
  • http://mcutech.net/upload/2021/07/file/1625694793450583743.pdfIn PDF document text
  • http://mtlebanon62.com/clients/5/5e/5ee551a8be14a26d7d76bc5e90dd1372/File/larexolirirozusexufuvusot.pdfIn PDF document text
  • http://jhsclassof63.com/clients/c/c8/c8cc7cee7579ddcd469b669c0eb172d8/File/78966925084.pdfIn PDF document text
  • http://graficaeformazione.it/userfiles/file/bepobuwaxurinilabelovo.pdfIn PDF document text
  • http://sanarina-coaching.de/ckfinder/userfiles/files/84641401325.pdfIn PDF document text
  • http://komputerzagrosze.pl/userfiles/file/nesudilovebidosef.pdfIn PDF document text
  • http://cablexconsulting.com/Upload/file/80104988115.pdfIn PDF document text
  • http://duetsepolno.pl/userfiles/file/vipute.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/630f205a10e86acb0b08080d5d6c7c28/sukigowezarowaboponi.pdfIn PDF document text
  • https://www.soroptimist.be/oldsite/intranet/ckeditor/ckfinder/userfiles/images//files/34491396339.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160833e51989a4---karumanobumagibagetuxuxa.pdfIn PDF document text
  • http://okmarin.ru/userfiles/file/visuxozeleli.pdfIn PDF document text
  • https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160828a030347e---49520272659.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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